It's this kind of discussion that made me wait months to announce any change to the license policy.  It's like debating Emacs vs. Vi: it's apparently impossible to have a discussion of the topic without it becoming emotionally charged.

I called out the BSD licenses specifically because an author was worried about having to reimplement an enormous, existing package to satisfy the SRFI license requirements.  Since the BSD license is close in spirit to the SRFI license, there's not much change.

Please remember that this exception applies to existing code that authors want to reference as sample implementations.  The standard SRFI license is still required for any from-scratch implementation written for a SRFI.